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LINK-PP LS-BL273125-40C 25G SFP28 BiDi 1270nm-TX/1310nm-RX 40km Simplex LC/UPC DOM SMF Optical Transceiver Module
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LINK-PP LS-BL273125-40C 25G SFP28 BiDi 1270nm-TX/1310nm-RX 40km Simplex LC/UPC DOM SMF Optical Transceiver Module

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Product summary

Product
LINK-PP LS-BL273125-40C 25G SFP28 BiDi 1270nm-TX/1310nm-RX 40km Simplex LC/UPC DOM SMF Optical Transceiver Module
SKU
202111
P/N
LS-BL273125-40C
Price
$ 415
Stock
100 in Stock
Sold
900
For Order Over $1000 Get $15.00 Off , Code: Linkpp15
For Order Over $3000 Get $50.00 Off , Code: Linkpp50
For Order Over $5000 Get $100.00 Off , Code: Linkpp100
New Users: $10 Coupon for Orders , Code: linkpp2610
59 Reviews
4 Questions
900 Sold
Shipping:
Free Shipping
to United States via FedEx
Estimated delivery time : 3 - 10 days.
5-Year Warranty 30-Day Returns 30-Day Exchange
Warranty
  • Providing industry-leading 5-year warranty.
  • Read the table for details of all products' warranty.
Returns & Exchange
  • Refunds will be received about 5 business days after the receipt of returned items.
  • Items in stock for replacement can be shipped within 1 business day.
  • Read the full return policy for details.
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LINK-PP LS-BL273125-40C 25G SFP28 Specifications

LS-BL273125-40C is a hot-pluggable 25G SFP28 BiDi optical transceiver engineered for long-reach data transmission over single-mode fiber up to 40km, integrating a 1270nm DFB transmitter and a 1310nm APD receiver with built-in Digital Diagnostic Monitoring (DDM) to ensure deterministic signal integrity across a commercial operating temperature range of 0 to 70°C.

LINK-PP Part Number LS-BL273125-40C Vendor Name LINK-PP
Form Factor SFP28 Max Data Rate 25.78Gbps
Wavelength 1270nm-TX/1310nm-RX Max Cable Distance 40km
Connector Simplex LC Media SMF
Transmitter Type DFB Receiver Type

APD

TX Power -1 to +7dBm RX Power -15 to +3dBm
Receiver Sensitivity <-19dBm Receiver Overload -7dBm
Operating Temperature Range 0 to 70°C Protocols MSA Compliant, CPRI, eCPRI

Key Features of LINK-PP LS-BL273125-40C 25G SFP28

LINK-PP LS-BL273125-40C is a reliable optical transceiver designed for long-distance data transmission in 25G networks. It combines advanced BiDi technology, real-time monitoring, and a single-fiber design to deliver efficient and stable network connectivity.

LINK-PP LS-BL273125-40C 25G SFP28 Optical Module

This module features a 2-wire interface for management specifications compliant with the SFF8472 digital diagnostic monitoring interface for optical transceivers. It ensures excellent compatibility and smooth integration into standard SFP28 ports.

LS-BL273125-40C: 25 Gbps Connectivity for Long-Range Transport

This transceiver supports a high data rate of up to 25Gbps to meet the demands of modern high-speed networks. It provides the necessary bandwidth for rapid data transfer in telecom and enterprise applications.

LS-BL273125-40C Module with 1270nm-TX/1310nm-RX Wavelength

Using BiDi technology, the module transmits data at a 1270nm wavelength and receives data at a 1310nm wavelength. This single-strand bidirectional design optimizes fiber utilization and lowers overall cabling costs.

LS-BL273125-40C Module Supporting 40km Transmission

Designed for single-mode fiber (SMF), this module supports reliable data transmission over distances up to 40km. It is an ideal solution for long-haul transport and mid-range networking environments.

LS-BL273125-40C Module with Simplex LC/UPC Interface

The module is equipped with a single Simplex LC/UPC connector for quick and secure fiber plug-in. This compact connector design saves physical space in high-density patch panels and switches.

LS-BL273125-40C Module with DOM for Real-Time Monitoring

With built-in Digital Optical Monitoring (DOM) support, operators can track real-time parameters such as temperature, voltage, and laser power. This capability helps ensure network stability and simplifies troubleshooting.


LINK-PP LS-BL273125-40C 25G SFP28 Certification

This optical transceiver complies with major international standards including ISO 9001, CE, RoHS, and FCC to ensure exceptional manufacturing quality and global safety compliance.

Optical Transceivers Testing

Every module undergoes rigorous factory screening and performance evaluation to guarantee stable operation under heavy network loads.

LS-BL273125-40C Quality Certifications

These industry credentials verify that the hardware meets strict environmental laws and technical regulations required for modern telecommunications.

LS-BL273125-40C Certified for Reliable Host-Device Compatibility

Comprehensive testing ensures the transceiver integrates seamlessly and functions without errors across various networking platforms and mainstream vendor switches.


Rigorous Testing Ensures Reliable SFP28 Performance

Each LINK-PP SFP28 optical module undergoes extensive validation to ensure data integrity and stable connection quality under intensive network loads. Learn more about our detailed verification processes at the LINK-PP Test Support Center.

Optical

Optical Spectrum Test

Verify precise central wavelengths and spectral width standards.

Optical

Eye Pattern Test

Analyze signal quality and transmitter performance indicators.

Optical

Bit Error Rate Test

Ensure error-free data transmission across long distances.

Optical

Temperature Test

Guarantee stable operation under extreme environmental conditions.


Product Shipping for LINK-PP LS-BL273125-40C 25G SFP28

We provide secure logistics solutions to ensure your optical modules arrive safely and on time worldwide.

Anti-Static Protective Packaging

Anti-Static Protective Packaging

Shield the delicate electronic components from static electricity damage.

Shock-Resistant Transport Protection

Shock-Resistant Transport Protection

Protect the modules against physical impacts during handling and transit.

Fast Order Processing and Dispatch

Fast Order Processing and Dispatch

Speed up order fulfillment for quick delivery to your facility.

Global Logistics and International Delivery

Global Logistics and International Delivery

Ship products efficiently to customers across various worldwide locations.

LINK-PP LS-BL273125-40C 25G SFP28 Usage Demonstration

Simply plug the LS-BL273125-40C 25G SFP28 module into compatible switches for instant connectivity. It provides reliable 25G data transmission over 40km single-mode fiber links. This transceiver is widely used in enterprise networks, data centers, and 5G fronthaul architectures to deliver stable, long-distance bidirectional telecom communication.

LS-BL273125-40C Technical Support

LINK-PP offers end-to-end technical support, from pre-sales consultation to post-deployment assistance, ensuring smooth integration and reliable network performance.

Pre-Sales Technical Consultation

Pre-Sales Technical Consultation

Professional guidance to help you select the optimal LS-BL273125-40C module for your network design and application needs.

Compatibility Verification Support

Compatibility Verification Support

Validated compatibility with LINK-PP switches and other mainstream networking platforms for seamless deployment.

Deployment & Installation Assistance

Deployment & Installation Assistance

Comprehensive step-by-step guidance for installation, configuration, and initial setup, ensuring accurate deployment and reliable, stable operation from the start.

Long-Term Technical Assurance

Long-Term Technical Assurance

Ongoing technical support throughout the product lifecycle, delivering long-term stability for enterprise and carrier-grade networks.

LINK-PP LS-BL273125-40C 25G SFP28 After-Sales Assurance

LINK-PP provides after-sales support for the smooth deployment and reliable operation of the optical modules.

15 days

15-day no-reason return and refund

Free maintenance or replacement

Free replacement for dead-on-arrival (DOA) or defective items within the initial period

Free maintenance

 Free repair services for manufacturing defects throughout the warranty period

Limitations

Warranty exclusions and conditions apply

Model Comparison Table

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E***d
United States
Verified Purchase
5 .0
2026-04-17
Perfect fit for enterprise core switch cluster! Using these BiDi optical modules in our corporate HQ server room to interconnect two main switch stacks across buildings. The simplex LC fiber connector snaps in tight with no mechanical play. SFF-8472 compliance ensures full telemetry reporting into our network monitoring software. Zero CRC errors recorded so far.
B***n
United States
Verified Purchase
5 .0
2026-03-16
Leasing dark fiber in metropolitan areas is incredibly expensive, so when our business needed to triple its data replication throughput between data centers, renting another fiber pair was cost-prohibitive. Deploying this BiDi single-mode SFP module allowed us to achieve 25Gbps bidirectional speeds over our existing single leased strand. The digital diagnostic monitoring (DDM) proved invaluable during staging, instantly showing us that our patch cord had a speck of dust causing high insertion loss. Once cleaned, RX power stabilized perfectly at -12dBm over our 31km link. (•‿•)✌️
J***n
United States
Verified Purchase
5 .0
2026-02-03
We completed a regional fiber loop expansion across three municipal buildings using single-strand single-mode fiber where our longest link spans approximately 34.6km with multiple old fusion splices. Thanks to the high-performance APD receiver design on these 25G SFP28 BiDi optical modules, the link maintained a solid lock without a single flap or frame drop under heavy load. The optical power budget is robust enough to easily handle real-world fiber attenuation and insertion loss. Total power consumption remained under 1.5W per module, keeping our edge switch stacks running cool in secondary distribution frames.
Z***n
United States
Verified Purchase
5 .0
2026-01-29
Deployed 20 of these SFP28 modules for our metro network ring upgrade, running stably at 25Gbps for weeks.
B***e
United States
Verified Purchase
5 .0
2025-12-19
Using these modules for a suburban base station backhaul deployment over a 28km stretch. The 25G BiDi SFP28 40km link budget leaves plenty of margin for splices and patch panels. Latency is virtually non-existent, fully matching eCPRI protocol specifications. Will definitely order more bulk batches for our phase 2 network rollout next quarter.
I***y
United States
Verified Purchase
5 .0
2025-11-07
Deploying 25G infrastructure for a carrier network upgrade requires strict compliance with wireless transport protocols, and we selected these 25G optical modules to handle CPRI Option 10 and eCPRI traffic profiles from BBU to RRH. With a max data rate of 25.78 Gbps, these transceivers handle high-bandwidth wireless fronthaul effortlessly across a 28km stretch. The single-mode fiber architecture combined with the 1270nm-TX/1310nm-RX configuration cut our dark fiber leasing overhead by exactly half across 45 cell sites. Built-in DDM data diagnostics allow to track optical power levels in real time and catching fiber bends before a full outage occurs.
R***n
Thailand
Verified Purchase
5 .0
2025-10-18
Thank you for the good quality, I like it very much.
D***y
United States
Verified Purchase
4 .0
2025-10-17
Always remember to order the matching opposite wavelength pair! The LS-BL273125-40C works perfectly as the upstream Side A (1270nm-TX/1310nm-RX). Make sure you don't forget to purchase the matching companion module (Side B: 1310nm-TX/1270nm-RX) for the remote end of the fiber link, otherwise your link won't establish! Wish there was a clear reminder bundle checkbox on the main checkout page. Optics are top tier though.
B***m
Ukraine
Verified Purchase
5 .0
2025-10-14
I had a great experience at l-p.com. They offer incredible Sfp Cage with an unbeatable price. Would recommend to anyone!
Y***s
United States
Verified Purchase
5 .0
2025-10-05
The digital diagnostic monitoring is super accurate, reporting spot-on Rx/Tx power levels.
H***n
United States
Verified Purchase
5 .0
2025-09-21
Great value for high-density network deployments. Procured 50 pieces for our regional cloud node deployment. The price-to-performance ratio wipes the floor with original vendor pricing. Having a hot-swappable SFP28 form factor means zero downtime maintenance during our ongoing line expansions. These are truly outstanding transceiver modules.
B***v
Norway
Verified Purchase
5 .0
2025-09-05
Yes you can get this item for much cheaper elsewhere but who knows what kind of quality you\'re gonna be getting. And replacing that part and dealing network problems from low quality parts will cost you much more in the long run.
C***r
Ireland
Verified Purchase
5 .0
2025-08-23
High quality, and all product in the package worked correctly and were free of flaws.
A***y
United States
Verified Purchase
5 .0
2025-08-14
We managed to consolidate our sprawling multi-building university network core by migrating our primary backbone links to these 25G single-fiber bidirectional transceivers. By upgrading from older 10G duplex setups to 25G BiDi on a single strand, we effectively reclaimed dozens of dark single-mode fiber pairs to use for an isolated research network. The 1270nm-TX and 1310nm-RX channel grouping provides an incredibly clean signal isolation over our 32km intramural spans with zero cross-talk detected during peak student traffic hours. The premium build quality of the pull-tab release latch makes hot-swapping incredibly reliable.
F***k
United States
Verified Purchase
5 .0
2025-07-18
Drastically cut down our fiber patch panel footprint. If you are running out of rack space and fiber trays, go BiDi. These single-fiber 25G SFP28 transceivers helped us consolidate our high-density patch panels. We freed up half our fiber ports for future expansion while instantly tripling our transmission speed from 10G SFP+. Absolute game-changer for colocation facilities!
A***h
United States
Verified Purchase
5 .0
2025-06-29
We purchased 25 pairs of these BiDi optical modules to upgrade our campus backbone from 10G to 25G Ethernet. Running these over existing single-mode fiber infrastructure was an absolute breeze. The single LC optical port saved us massive fiber patching headaches. Low power consumption is definitely a plus for our cramped wiring closets. Very satisfied with LINK-PP product!
R***w
Iran, Islamic Republic of
Verified Purchase
5 .0
2025-06-26
LINK-PP has been reliable with good products, good prices and Fast delivery. Never have any trouble with any purchases from LINK-PP.
J***e
Iran, Islamic Republic of
Verified Purchase
5 .0
2025-06-01
All items appeared to be wrapped at point of ship, and were received in good condition. Pricing and delivery were very competeitive.
K***n
United States
Verified Purchase
5 .0
2025-05-28
Procuring high-quality fiber transceivers in wholesale volume can be risky if compatibility is inconsistent, but after testing baseline samples of these LINK-PP 40km 25G BiDi optics transceivers, we placed a large commercial order. The technical consistency across the entire shipped lot was flawless, arriving in individual anti-static packaging with clear batch tracking labels. Out of all units deployed so far across our network expansion, we have experienced a 0% failure-out-of-box (DOA) rate. Our field technicians love how easily they click into our edge routers, and management appreciates the significant cost reduction.
M***r
Nigeria
Verified Purchase
5 .0
2025-05-18
The sales manager for my order was absolutely wonderful. She contacted me as soon as my order hit to verify all the information was correct for what I needed and answered any questions that I had. Impressed by their working efficiency.
C***s
United States
Verified Purchase
5 .0
2025-04-27
Great price, great product!
C***e
United States
Verified Purchase
4 .0
2025-04-23
Phenomenal transceivers, but customs delayed delivery. These 25G BiDi SFP28 optical transceivers perform exceptionally well in our EdgeSwitch cluster. Zero packet loss and clean DDM metrics. However, our bulk shipment spent an extra 3 days stuck at US customs clearance. The product is flawless, but plan ahead if you are on a tight deployment schedule!
W***r
United States
Verified Purchase
5 .0
2025-04-08
Zero issues on a 35km long-haul link. Exactly what we needed for our regional data center interconnects. The 1270nm-TX/1310nm-RX pair is flawless.
I***n
Hong Kong
Verified Purchase
5 .0
2025-04-03
It is very early going, but they seem to work flawlessly with Dell switches.
H***n
United States
Verified Purchase
5 .0
2025-03-23
I found the website easy to navigate and your prices unbeatable. The product arrived post haste, Faster than I expected. Who can ask for any thing more.
C***p
United States
Verified Purchase
5 .0
2025-03-22
Excellent optical power budget and low attenuation! Tested on an optical time-domain reflectometer (OTDR) before live deployment. The laser output on 1270nm is remarkably stable. Over a 32km span with three patch panels, we still have about 4dB of operating margin left. The APD receiver sensitivity on these 25G SFP28 BiDi modules is top-tier.
D***s
Taiwan, Province of China
Verified Purchase
5 .0
2025-02-18
Spent almost three days looking for the items. Now I've got it! they are in new condition at a good price.
J***g
Belarus
Verified Purchase
5 .0
2025-01-22
The 1x1 Port SFP Cage was amazing, and the customer service was awesome and very responsive. I would highly recommend them.
J***l
Taiwan, Province of China
Verified Purchase
5 .0
2025-01-07
My contact with LINK-PP involved more than just a few clicks and a purchase for 1000Base-T Optical Transceiver Module. I had to make a return for no fault of the Company and they were helpful and courteous throughout the process. I am quite pleased.
L***a
Japan
Verified Purchase
5 .0
2024-10-04
I wish every business operated like they do. Thanks.
G***y
Belgium
Verified Purchase
5 .0
2024-09-23
So far its been a great buying experience. Best price for my item and easy check out.
I***k
France
Verified Purchase
5 .0
2024-08-31
Unbeatable price. On time delivery. Well done!
V***i
United States
Verified Purchase
5 .0
2024-08-14
Always good experience at l-p.com. If not have to pay shipping fee, would be better.
M***n
Sweden
Verified Purchase
5 .0
2024-08-12
LINK-PP is the most user-friendly website I have ever found. It has very knowledgeable staff and offers various good products at a reasonable price. Also, the Fast delivery has helped me save a lot of time.
Y***g
United States
Verified Purchase
5 .0
2024-07-28
I bought the 10/25/40G Transceiver Modules at a great price from this company.
A***V
Canada
Verified Purchase
5 .0
2024-02-28
Competitive prices. Site is easy to use. Fast shipping.
M***a
United States
Verified Purchase
5 .0
2024-02-08
I had an exceptional experience working with l-p.com. The Product was delivered very Fast and works like a charm.
S***i
Taiwan, Province of China
Verified Purchase
5 .0
2024-01-01
Workable!! We purchased from LINK-PP mainly due to the competitive price if compared to others. We will look for next purchase for our own support team and for our customers.
F***n
Belgium
Verified Purchase
5 .0
2023-12-04
Putting in the order was super easy and shipping was really quick.
A***u
United States
Verified Purchase
5 .0
2023-10-09
Fast delivery, wide selection of goods
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